Choose the best answer to each of the following questions.
We are studying Unit 3 in this book.
A.We have completed two units in this book so far.
B.Three units in this book have been studied up to now.
C.We have already studied three units in this book.
D.Unit 3 in this book has been completed.

(12)______
A.where
B.how
C.why
D.which

It was not until the late 1970s when these country people could enjoy the benefits of electricity.
A.not until
B.when
C.these country people could enjoy
D.benefits

(14)_____
A.like
B.so
C.and
D.as

Choose the underlined part that needs correcting in each of the following questions.
Your students seldom practice (A) speaking (B) English at home, don’t (C) they (D)?
A.A
B.B
C.C
D.D

Neither the director nor any members of the staff is working overtime today.
A.Neither
B.nor any
C.is
D.overtime

A big wedding requires a lot of preparation, such as sending invitations, hiring costumes and choose dishes.
A.requires
B.preparation
C.sending invitations
D.and choose

policeman / order / children / not / play football / street.
A.The policeman ordered the children not playing football in the street.
B.The policeman ordered to the children not to play football in the street.
C.The policeman ordered the children not play football in the street.
D.The policeman ordered the children not to play football in the street.

She / another attempt / climb / mountain / next year.
A.She is going to make another to attempt to climb the mountain next year.
B.She is going to make another attempt climbing the mountain next year.
C.She is making another attempt to climb the mountain next year.
D.She is going to make another attempt to climb the mountain next year.

on behalf / Electricity Department / you / how / save energy.
A.I’m here on behalf of the Electricity Department to tell you how to save energy.
B.I’m here on behalf of the Electricity Department to tell you about how to save energy.
C.I’m here on behalf of the Electricity Department to tell you how to saving energy.
D.I’m here on behalf in the Electricity Department to tell you how to save energy.